10th August 2020

An 88-year-old woman presents to primary care accompanied by her worried daughter

An 88-year-old woman presents to primary care accompanied by her worried daughter. Her daughter explains that she thinks her mother has a severe toenail infection as a result of poor self-care. On examination, you note severe thickening, hypertrophy and distortion of the nail on the patient’s right hallux.  

For the patient above, please select the SINGLE most likely underlying cause of the presentation. Select ONE option from the list above.